Arizona Renewable Transmission Task Force BTA … Renewable Transmission Task... · Transmission Task Force BTA Response ... Four Corners Shiprock ... Arizona Renewable Transmission

Arizona Renewable Arizona Renewable Transmission Task ForceTransmission Task Force

BTA ResponseBTA Response

Chairman of SWAT RTTFChairman of SWAT RTTFPeter KrzykosPeter Krzykos

BTA WorkshopBTA WorkshopMay 22May 22--23 200823 2008

BTA OrderBTA Order

““IT IS FURTHER ORDERED that in the next IT IS FURTHER ORDERED that in the next BTA, Commission regulated electric utilities, BTA, Commission regulated electric utilities, in consultation with the stakeholders, in consultation with the stakeholders, should prepare an assessment of ATC for should prepare an assessment of ATC for renewable energy and prepare a plan, renewable energy and prepare a plan, including a description of the location, including a description of the location, amount and transmission needs of amount and transmission needs of renewable resources in Arizona, to bring renewable resources in Arizona, to bring available renewable resources to load.available renewable resources to load.””

SWAT RTTF Phase #1SWAT RTTF Phase #1Integration of Renewable Resources into Integration of Renewable Resources into

Arizona Transmission NetworkArizona Transmission NetworkBTA ResponseBTA Response

Three Parts to the BTA ResponseThree Parts to the BTA Response–– Assessment of ATC in ArizonaAssessment of ATC in Arizona–– Potential renewable resources in ArizonaPotential renewable resources in Arizona–– Potential transmission configuration to deliver Potential transmission configuration to deliver

the renewable resources in Arizonathe renewable resources in Arizona

SWAT RTTF Phase #1SWAT RTTF Phase #1AZ BTA Order Response Task Force MeetingsAZ BTA Order Response Task Force Meetings

Two meetings( October 8Two meetings( October 8thth and November 16and November 16thth 2007)2007)–– Stakeholders and utilities attendedStakeholders and utilities attended

Arizona Corporation CommissionArizona Corporation CommissionUtilitiesUtilities

–– Arizona Public ServiceArizona Public Service–– Salt River ProjectSalt River Project–– Tucson Electric PowerTucson Electric Power–– Southwest Transmission CorporativeSouthwest Transmission Corporative–– Southern California EdisonSouthern California Edison

Renewable Energy CompaniesRenewable Energy Companies–– Sky fuelSky fuel–– BP Alternative EnergyBP Alternative Energy–– Foresight WindForesight Wind–– West Wind WiresWest Wind Wires–– AusraAusra–– Solar MissionSolar Mission–– Interwest Energy AllianceInterwest Energy Alliance

Other StakeholdersOther Stakeholders–– National Renewable Energy LaboratoryNational Renewable Energy Laboratory–– Genesee ConsultingGenesee Consulting–– PDS ConsultingPDS Consulting–– K R SalineK R Saline–– Stanley GroupStanley Group–– WSES ConsultingWSES Consulting

–– 2020--30 people were at each meeting30 people were at each meeting–– Stakeholders and utilities participated in development of a resoStakeholders and utilities participated in development of a resource map, transmission map, and assess the urce map, transmission map, and assess the

ATC in Arizona in an open forum to address the BTAATC in Arizona in an open forum to address the BTA

SWAT RTTFSWAT RTTFPart 1 Part 1 --ATC AssessmentATC Assessment

This information was developed during This information was developed during stakeholder workshops held October 8th stakeholder workshops held October 8th and November 16th 2007 and includes and November 16th 2007 and includes utility (APS, SRP, SWTC, and TEP) ACC utility (APS, SRP, SWTC, and TEP) ACC staff and stakeholder input.staff and stakeholder input.Available Transfer Capability (ATC) has Available Transfer Capability (ATC) has been gathered for each utility in Arizonabeen gathered for each utility in ArizonaATC is a dynamic number that can change ATC is a dynamic number that can change from day to day. Values observed in June from day to day. Values observed in June 2007 are used to illustrate the status of the 2007 are used to illustrate the status of the ATC in the Arizona transmission system.ATC in the Arizona transmission system.

Arizona EHV Transmission ATC Arizona EHV Transmission ATC (as of June 2007)(as of June 2007)

Phoenix230 kVSystem

NavajoGlenCanyon

North Gila

PaloVerde

SilverKingKyrene

PinnaclePeakWestwing

Liberty

South

Saguaro

Vail

Greenlee

Cholla

Moenkopi

PreacherCanyon

McCullough

Eldorado

Mead

Tucson138 kVSystem

Devers

ImperialValley

Coronado

Four CornersShiprock

Tortolito

102

372

356

125556

0

0

0

Marketplace0

0 0

75

0

BrowningRudd787

0

Springerville

Transmission Line

Voltage Level500 kV 345 kV

ATC in MW

SWAT RTTFSWAT RTTFPart 2 Part 2 -- Resource ProjectionResource ProjectionThe renewable resource map was developed during The renewable resource map was developed during workshop meetings on Oct 8th and Nov 16th 2007workshop meetings on Oct 8th and Nov 16th 2007A renewable resource map displaying areas where A renewable resource map displaying areas where resources development potentially could occur andresources development potentially could occur andwas developed with input from three specific areaswas developed with input from three specific areas

The Arizona Renewable Energy AssessmentThe Arizona Renewable Energy Assessment recently recently prepared for APS, SRP and TEP by Black and Veatch (2007)prepared for APS, SRP and TEP by Black and Veatch (2007)The The queue for renewable resourcequeue for renewable resource in Arizona requesting in Arizona requesting potential interconnection (as of October 15th 2007)potential interconnection (as of October 15th 2007)Stakeholder/developer inputStakeholder/developer input on prospective development on prospective development opportunities. opportunities. The # of MW display on the map is the highest out of the The # of MW display on the map is the highest out of the three inputs. three inputs.

Black & Veatch SummaryProjected Resource Locations

Black & Veatch SummaryProjected Resource Locations

Geothermal/Clifton – 35MWGeothermal/Clifton – 35MW

Solar CSP/Yuma – 800MW Solar CSP/Yuma – 800MW

Biomass/Biogas – 60MW (22 sites)Biomass/Biogas – 60MW (22 sites)

Wind/Project KS – 18MWWind/Project KS – 18MW

Hydro – 82MW (7 sites, 90% @ GC)Hydro – 82MW (7 sites, 90% @ GC)

Solar CSP/Stoval – 1,900MWSolar CSP/Stoval – 1,900MW

Solar CSP/Phoenix – 800MW Solar CSP/Phoenix – 800MW

Solar CSP/Tucson – 800MWSolar CSP/Tucson – 800MW

Wind/Project RS – 140MWWind/Project RS – 140MW

Wind/Project BR – 158MWWind/Project BR – 158MW

Wind/Project CV – 597MW Wind/Project CV – 597MW

Wind/Project BH – 46MWWind/Project BH – 46MW

Wind/Project GP – 31MWWind/Project GP – 31MW

1

2

3

4

5

6

7

8

9

10

11

12

131

2

3

4

567

8 9

10

12

11

11

13

September 21st 2007

B & V Summary FiltersB & V Summary FiltersSolar Thermal– Equipment availability/supply chain– Development timelines/engineering support– Project economics– Proximity to adequate transmission – Land availability/terrain slope/proximity to sensitive areas

Wind– Equipment availability/supply chain– Class/Capacity factor– Project economics– Proximity to adequate transmission– Proximity to federal/environmental sensitive areas

Arizona Renewable Resource QueueArizona Renewable Resource QueueCode Company COD MW Size POI County Type

T1 TEP 2005 80 Dolan Springs Sub Mohave Wind

T2 TEP 2008 15 Dolan Springs Sub Mohave Wind

T3 TEP 2005 15 Dolan Springs Sub Mohave Wind

T4 TEP 2007 95 Co-Spr St Johns Wind

A1 APS 2008 60 Cholla - Coconino Coconino Wind

A2 APS 2008 128 Cholla Show Coconino Wind

A3 APS 2007 22 Cholla zeniff Coconino Biomass

A4 APS 2008 270 Ashofork - Pollock Coconino Wind

A5 APS 2009 250.5 cholla - show Coconino Wind

A6 APS 2010 100 Adams - Mural Cochise Wind

A7 APS 2011 110 Harquahala Jnc Maricopa Solar

A8 APS 2011 110 Panda Liberty line Maricopa Solar

A9 APS 2010 300 Gila Bend Maricopa Solar

A10 APS 2010 400 North Gila Sub Yuma Solar

W1 WAPA 2008 500 Tap on 345kV Glen Canyon-Pinnacle Peak Coconino Wind

W2 WAPA 2008 300 Mead - Davis 230 kV Line Mohave Wind

W3 WAPA 2008 65.1 Goldmine Tap Substation Imperial Wind

W4 WAPA 2008 500 Peacock Substation Mohave Wind

N1Navajo Nation 100 Wind

Total 3420.6 As of 10/15/2007

Arizona Renewable Resource QueueArizona Renewable Resource QueueCode MW Size

T1 80T2 15T3 15T4 95A1 60A2 128A3 22A4 270A5 250.5A6 100A7 110A8 110A9 300A10 400W1 500W2 300W3 65.1W4 500N1 100

NEVADA

CALIFORNIA

345

KV

345 KV

CALIF

ORNIA

ARIZ

ONA

345 KV

345

KV

500

KV

345 KV

345

KV

345

KV

345 K

V

500 K

V

500

KV

500

KV 345

KV

345

KV

345

KV

NEW

ME

XIC

O

ARIZ

ON

A

230KV

230

KV

500

KV

500 KV

345

KV

As of 10/15/2007

SWAT RTTFSWAT RTTFPart 2 Part 2 -- Resource ProjectionResource ProjectionThe map is intended to provide an overview of The map is intended to provide an overview of the potential, renewable resources within the potential, renewable resources within Arizona, which include wind, solar, biomass, Arizona, which include wind, solar, biomass, hydro and/or geothermal and identifies those hydro and/or geothermal and identifies those resources as clusters. resources as clusters. Since both geothermal and biomass/biogas Since both geothermal and biomass/biogas opportunities are small relative to both solar and opportunities are small relative to both solar and wind opportunities, they have been included wind opportunities, they have been included within the total which is described as generally within the total which is described as generally wind and solar clusters.wind and solar clusters.

Potential Arizona Renewable ResourcesPotential Arizona Renewable Resources

SWAT RTTFSWAT RTTFPart 3 Part 3 -- Transmission SystemTransmission System

During the October 8th and November 16th During the October 8th and November 16th 2007 meetings, transmission alternatives for 2007 meetings, transmission alternatives for bringing the renewable energy resources to bringing the renewable energy resources to load were discussed. load were discussed. Mapping was developed which represents the Mapping was developed which represents the potential transmission lines that would be potential transmission lines that would be necessary if necessary if allall of the renewable resources of the renewable resources were to be developed in Arizona. were to be developed in Arizona.

SWAT RTTFSWAT RTTFPart 3 Part 3 -- Transmission SystemTransmission System

Included in the map are: Included in the map are: existing transmission linesexisting transmission linesAPS, SRP and TEP 10 year plansAPS, SRP and TEP 10 year plansother WECC Projects in Phase II other WECC Projects in Phase II processprocesspotential transmission linespotential transmission lines

Potential Configuration for Transmission to Serve All Available Potential Configuration for Transmission to Serve All Available Renewable Resources in ArizonaRenewable Resources in Arizona

Estimated Estimated Construction CostsConstruction Costs

SubstationSubstationAdditionsAdditions

VoltageVoltage(kV)(kV)

# of Substations # of Substations AddedAdded

500500 1111

230230 33

TotalsTotalsCost (Million)Cost (Million)

SubstationsSubstations $130$130LinesLines $1,500$1,500TotalTotal $1,630$1,630

TransmissionTransmissionCircuitsCircuits

VoltageVoltage(kV)(kV) MilesMiles

500500 445445230230 247247

SWAT RTTFSWAT RTTFPhase #2 Phase #2 –– Evaluation and Integration Evaluation and Integration

of Renewable Resources into the of Renewable Resources into the Southwest Transmission NetworkSouthwest Transmission Network

Workshop Meetings held on April 7Workshop Meetings held on April 7thth and May and May 1919thth 20082008–– Renewable resource projection developmentRenewable resource projection development–– Potential transmission additions are in development Potential transmission additions are in development

for the entire SWAT areafor the entire SWAT area

Renewable Taskforce has been extended to the Renewable Taskforce has been extended to the entire SWAT area and includes Arizona, New entire SWAT area and includes Arizona, New Mexico, Nevada and Eastern CaliforniaMexico, Nevada and Eastern CaliforniaPower flow studies will be developed based on Power flow studies will be developed based on the transmission alternativesthe transmission alternatives

SouthwestArea

Transmission

SWATSWAT

SWAT FootprintOne of the WestConnect Sub-Regional Planning

Groups

SWAT FootprintOne of the WestConnect Sub-Regional Planning

Groups

http://www.westconnect.com

2020

SWAT FOOTPRINT

Arizona

Nevada

California

Utah Colorado

NewMexico

SWAT

NMAZ/NMSATS

CATS-EHVCATS-HV

CRT

Saguaro

Rudd

SWAT Southwest Area TransmissionCRT Colorado River TransmissionCATS – EHV Central Arizona Transmission Study Extra High VoltageCATS – HV Central Arizona Transmission Study High VoltageSATS Southeast Arizona Transmission StudyAZ/NM Arizona New Mexico Regional TransmissionNM New Mexico Transmission

500kV345kV

Web SitesWestConnect: http://www.westconnect.com/init_swat.php

Browning

Kyrene

PinnaclePeak

McKinley

Springerville

SilverKing

Greenlee

Tortolita

W W

Luna

Coronado

ChollaMoenkopi

South

Vail

Hidalgo

Diablo

Afton

CalienteNewman

Arroyo

Amrad Artesia

Blackwater

BA

TaosOjoSan Juan

FourCorners

West Mesa

GlenCanyonMarket

Place

McCullough

Mead

Crystal

Shiprock

Navajo

Devers

PaloVerdeHub

Perkins

Liberty

North Gila

Norton

Sandia

Winchester

Arizona Renewable Arizona Renewable Transmission Task ForceTransmission Task Force

BTA ResponseBTA Response

Chairman of SWAT RTTF Chairman of SWAT RTTF Peter KrzykosPeter Krzykos

BTA WorkshopBTA WorkshopMay 22May 22--23 200823 2008